import java.util.concurrent.Semaphore;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 19182
 * Date: 2025-08-25
 * Time: 21:25
 */
public class demo12 {
    private static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        Semaphore semaphore = new Semaphore(1);
        Thread t1 = new Thread(()->{
            try {
                for (int i = 0; i < 100; i++) {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                }

            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }finally {

            }

        });
        Thread t2 = new Thread(()->{
            try {
                for (int i = 0; i < 100; i++) {
                    semaphore.acquire();
                    count++;
                    semaphore.release();
                }

            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }finally {

            }

        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
